/*
 * Copyright (C) 2013 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ux.com.squareup.okhttp.internal.spdy;

import ux.com.squareup.okhttp.Protocol;
import ux.com.squareup.okhttp.internal.okio.BufferedSink;
import ux.com.squareup.okhttp.internal.okio.BufferedSource;

/**
 * A version and dialect of the framed socket protocol.
 */
interface Variant {

    /**
     * The protocol as selected using NPN or ALPN.
     */
    Protocol getProtocol();

    /**
     * @param client true if this is the HTTP client's reader, reading frames from a server.
     */
    FrameReader newReader(BufferedSource source, boolean client);

    /**
     * @param client true if this is the HTTP client's writer, writing frames to a server.
     */
    FrameWriter newWriter(BufferedSink sink, boolean client);

    int maxFrameSize();
}
